CA1164046A - Variable impedance circuit - Google Patents

Variable impedance circuit

Info

Publication number
CA1164046A
CA1164046A CA000389970A CA389970A CA1164046A CA 1164046 A CA1164046 A CA 1164046A CA 000389970 A CA000389970 A CA 000389970A CA 389970 A CA389970 A CA 389970A CA 1164046 A CA1164046 A CA 1164046A
Authority
CA
Canada
Prior art keywords
circuit
current
load
signal
variable impedance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000389970A
Other languages
English (en)
French (fr)
Inventor
Klaus D. May
Dana L. Eckstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1164046A publication Critical patent/CA1164046A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Electronic Switches (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Control Of Voltage And Current In General (AREA)
CA000389970A 1980-12-22 1981-11-12 Variable impedance circuit Expired CA1164046A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US219,097 1980-12-22
US06/219,097 US4357544A (en) 1980-12-22 1980-12-22 Variable impedance circuit

Publications (1)

Publication Number Publication Date
CA1164046A true CA1164046A (en) 1984-03-20

Family

ID=22817863

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000389970A Expired CA1164046A (en) 1980-12-22 1981-11-12 Variable impedance circuit

Country Status (12)

Country Link
US (1) US4357544A (da)
JP (1) JPS57125359A (da)
KR (1) KR830008464A (da)
BE (1) BE891586A (da)
CA (1) CA1164046A (da)
DE (1) DE3147562A1 (da)
DK (1) DK566881A (da)
GB (1) GB2090441B (da)
IE (1) IE51941B1 (da)
IL (1) IL64268A (da)
NL (1) NL8105400A (da)
NO (1) NO814035L (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821315A (en) * 1983-09-19 1989-04-11 Alcatel N.V. Electronic contacts and associated devices

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144400A (ja) * 1983-02-08 1984-08-18 Denyo Kk 溶接用誘導子型発電機
FR2603994B1 (fr) * 1986-09-12 1988-11-10 Thomson Csf Dispositif de test pour alimentation a tres haute tension
US5121100A (en) * 1989-11-03 1992-06-09 Gallo Joseph S Brake light
US5381018A (en) * 1993-12-20 1995-01-10 Xerox Corporation Electronic circuit to replace a light emitting diode and a light dependent resistor
US5600149A (en) * 1995-10-30 1997-02-04 Xerox Corporation Power supply regulator
US8816725B2 (en) * 2012-12-31 2014-08-26 Nxp B.V. High-voltage electrical switch by series connected semiconductor switches
CN109474063B (zh) * 2017-09-07 2021-07-06 上海明石光电科技有限公司 交流电网供电系统及其状态监测电路、用电设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458801A (en) * 1967-06-01 1969-07-29 Itek Corp High voltage operational amplifier for use as an electronically controllable power supply regulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821315A (en) * 1983-09-19 1989-04-11 Alcatel N.V. Electronic contacts and associated devices

Also Published As

Publication number Publication date
IL64268A (en) 1985-06-30
GB2090441A (en) 1982-07-07
IL64268A0 (en) 1982-02-28
KR830008464A (ko) 1983-11-18
BE891586A (fr) 1982-06-22
NO814035L (no) 1982-06-23
GB2090441B (en) 1984-07-18
DK566881A (da) 1982-06-23
IE51941B1 (en) 1987-04-29
NL8105400A (nl) 1982-07-16
JPS57125359A (en) 1982-08-04
US4357544A (en) 1982-11-02
DE3147562A1 (de) 1982-09-09
IE812602L (en) 1982-05-22
JPH0136591B2 (da) 1989-08-01

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Legal Events

Date Code Title Description
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